Home / 13,307,165.32-18,363,875.68-7,195,579.24

Finding the Fourth Proportional to 13,307,165.32, 18,363,875.68 and 7,195,579.24

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Solution

The fourth proportional to 13,307,165.32, 18,363,875.68 and 7,195,579.24 is: 9,929,892.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307,165.32 : 18,363,875.68 = 7,195,579.24 : x
  2. Step 2: Convert to fraction form
    13,307,165.32/18,363,875.68 = 7,195,579.24/x
  3. Step 3: Cross multiply
    13,307,165.32x = 18,363,875.68 × 7,195,579.24
  4. Step 4: Simplify right side
    13,307,165.32x = 132,138,722,608,948.89
  5. Step 5: Solve for x
    x = 132,138,722,608,948.89/13,307,165.32
  6. Step 6: Final answer
    x = 9,929,892.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.